VOL. XV, PP. 83-84 APRIL 25, 1902 



PROCEEDINGS 



OP THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



DESCRIPTION OF A NEW PHYLLOSTOME BAT FROM 

 THE ISTHMUS OF PANAMA.* 



BY MARCUS W. LYON, JR. 



In a small collection of bats recently received by the United 

 States National Museum from Mr. J. W. Humphreys of Colon, 

 Colombia, are two specimens of a species of Uroderma for 

 which no name is available. It is closely related to Uroderma 

 bilobatum Peters, which was described from Brazil and Guiana. 

 Through the kindness of Messrs. Witmer Stone and J. A. G. 

 Rehn I have been able to examine two specimens of Uroderma 

 bilobatum from Brazil in the collection of the Academy of 

 Natural Sciences of Philadelphia. 



Uroderma convexum new species. 



Type. From Colon, Colombia, No. 111,722 United States National 

 Museum, 9 yg. ad. (in alcohol). Collected May 28, 1901 by J. W. Hum 

 phreys. 



Characters. Similar to Uroderma bilobatum Peters, but with tooth 

 rows distinctly arcuate. 



Description of type. Upperparts near the sepia of Ridgway, the hairs 

 lightening at base nearly to broccoli-brown; underparts light broccoli- 

 brown, the hairs with short hoary tips making a general effect a little 



*Published here by permission of the Secretary of the Smithsonian 

 Institution. 



19 BIOL. Soc. WASH. VOL. XV, 1902 (83) 



